package designpattern;

/**
 * Created by pc on 3/29/16.
 */
public abstract class GuessGame {
    public void go() {
        int number = (int) (Math.random() * 10);
        int guess;
        do {
            print("输入数字：");
            guess = nextInt();
        } while (guess != number);
        println("猜中了！");
    }

    public void println(String text) {
        print(text + "\n");
    }

    public abstract void print(String text);
    public abstract int nextInt();
}
